When to plant Lettuce in Zone 3b
In Zone 3b, Lettuce: direct sow outdoors around Apr 22–May 20; direct sow outdoors around Jul 18–Aug 1. Expect to harvest around Jun 6–Jul 4.
| Step | When |
|---|---|
| Direct sow outdoors | Apr 22 – May 20 |
| Direct sow outdoors | Jul 18 – Aug 1 |
| Harvest | Jun 6 – Jul 4 |
| Harvest | Sep 1 – Sep 15 |
Tip: A cool-season crop. Sow early and again in late summer for fall; it bolts in summer heat.
Zone 3b averages a last spring frost around May 20 and a first fall frost around Sep 12. These are zone averages — look up your ZIP for your exact area.
See the full Zone 3b calendar in the tool →